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<head><meta charset="utf-8"><title>solutions to not Send due to await retainment  #67611 · t-compiler · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/index.html">t-compiler</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/solutions.20to.20not.20Send.20due.20to.20await.20retainment.20.20.2367611.html">solutions to not Send due to await retainment  #67611</a></h3>

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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/solutions%20to%20not%20Send%20due%20to%20await%20retainment%20%20%2367611/near/185223712" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/solutions.20to.20not.20Send.20due.20to.20await.20retainment.20.20.2367611.html#185223712">(Jan 09 2020 at 15:45)</a>:</h4>
<p>forked off of T-compiler discussion</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/solutions%20to%20not%20Send%20due%20to%20await%20retainment%20%20%2367611/near/185223744" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/solutions.20to.20not.20Send.20due.20to.20await.20retainment.20.20.2367611.html#185223744">(Jan 09 2020 at 15:45)</a>:</h4>
<p>context: <a href="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-01-09.20.2354818/near/185223071" title="#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-01-09.20.2354818/near/185223071">https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler/topic/weekly.20meeting.202020-01-09.20.2354818/near/185223071</a></p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/solutions%20to%20not%20Send%20due%20to%20await%20retainment%20%20%2367611/near/185223760" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/solutions.20to.20not.20Send.20due.20to.20await.20retainment.20.20.2367611.html#185223760">(Jan 09 2020 at 15:45)</a>:</h4>
<p>cc <span class="user-mention" data-user-id="116009">@nikomatsakis</span> <span class="user-mention" data-user-id="116118">@Matthew Jasper</span></p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/solutions%20to%20not%20Send%20due%20to%20await%20retainment%20%20%2367611/near/185223907" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/solutions.20to.20not.20Send.20due.20to.20await.20retainment.20.20.2367611.html#185223907">(Jan 09 2020 at 15:46)</a>:</h4>
<p>What did you mean, <span class="user-mention" data-user-id="116118">@Matthew Jasper</span>, by auto traits being perma-unstable? I guess you mean that we're kind of tinkering with what types you see when you use a <code>static mut</code>, and the main way we justify that is by knowing what send/sync care about? (maybe)</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/131828-t-compiler/topic/solutions%20to%20not%20Send%20due%20to%20await%20retainment%20%20%2367611/near/185224048" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Matthew Jasper <a href="https://rust-lang.github.io/zulip_archive/stream/131828-t-compiler/topic/solutions.20to.20not.20Send.20due.20to.20await.20retainment.20.20.2367611.html#185224048">(Jan 09 2020 at 15:47)</a>:</h4>
<p>Yes, if we know all of the auto traits that exist then we can make arguments based on what specifically they care about.</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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